UNIONDALE, N.Y. — Kevin Klein scored with 4:32 left, and the New York Rangers overcame a pair of two-goal deficits and netted three third-period goals to stun the New York Islanders 6-5 on Monday night.

It's the equivalent of putting a stop sign at a busy intersection after an accident, but the NHL will consider modifying its rules after it found no specific rule to support further punishing Philadelphia Flyers goaltender Ray Emery for his rink-length...